Home / 852,943.65-1,279,858.26-347,875.17

Finding the Fourth Proportional to 852,943.65, 1,279,858.26 and 347,875.17

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Solution

The fourth proportional to 852,943.65, 1,279,858.26 and 347,875.17 is: 521,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,943.65 : 1,279,858.26 = 347,875.17 : x
  2. Step 2: Convert to fraction form
    852,943.65/1,279,858.26 = 347,875.17/x
  3. Step 3: Cross multiply
    852,943.65x = 1,279,858.26 × 347,875.17
  4. Step 4: Simplify right side
    852,943.65x = 445,230,909,773.40
  5. Step 5: Solve for x
    x = 445,230,909,773.40/852,943.65
  6. Step 6: Final answer
    x = 521,993.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.